Inquiry (采购产品): Obi Press Piston rings I am looking for some 300 mm Bronze piston rings for an Obi Aluminum extrusion press side cylinder. Are you capable of making an item like this? Mike McNeill **** Hidden Message ***** Michael McNeill 38632 Company: M & W Machine Works, Inc. E-mail: mw76@bellsouth.net **** Hidden Message ***** mw76@bellsouth.net